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How do I declare a 2d array in C++ using new?

...algorithms to do it. And the allocator "pads" each of your row arrays with extra bytes for bookkeeping and alignment. That extra space costs...well...extra space. The deallocator will also take extra time when you go to deallocate the matrix, painstakingly free-ing up each individual row allocation....
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Best way to convert list to comma separated string in java [duplicate]

I have Set<String> result & would like to convert it to comma separated string. My approach would be as shown below, but looking for other opinion as well. ...
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Why do I want to avoid non-default constructors in fragments?

... parameter. For example: public static MyFragment newInstance(int title, String message) { MyFragment fragment = new MyFragment(); Bundle bundle = new Bundle(2); bundle.putInt(EXTRA_TITLE, title); bundle.putString(EXTRA_MESSAGE, message); fragment.setArguments(bundle); retu...
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Where does Console.WriteLine go in ASP.NET?

... One more little hint; if you are printing a formatted string, use Debug.Print instead of Debug.WriteLine to avoid an argument conflict (see social.msdn.microsoft.com/Forums/ar/Vsexpressvcs/thread/…). – Nicholas Riley Jan 9 '12 at 20:02 ...
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Adjust UILabel height to text

...ks for me. Updated for Swift 4.0 import UIKit func heightForView(text:String, font:UIFont, width:CGFloat) -> CGFloat{ let label:UILabel = UILabel(frame: CGRectMake(0, 0, width, CGFloat.greatestFiniteMagnitude)) label.numberOfLines = 0 label.lineBreakMode = NSLineBreakMode.byWordW...
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Can we define implicit conversions of enums in c#?

...e, determined from reflection /// </summary> private string _name; /// <summary> /// The DescriptionAttribute, if any, linked to the declaring field /// </summary> private DescriptionAttribute _descriptionAttribute; /// <...
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Can Objective-C switch on NSString?

...stand, CardType cannot be equal to any enclosed @"" eg: [CardType isEqualToString:@"Three"] – Adromil Balais Jul 18 '17 at 7:53 add a comment  |  ...
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C++ preprocessor __VA_ARGS__ number of arguments

...GS__})/sizeof(int)) Full example: #include <stdio.h> #include <string.h> #include <stdarg.h> #define NUMARGS(...) (sizeof((int[]){__VA_ARGS__})/sizeof(int)) #define SUM(...) (sum(NUMARGS(__VA_ARGS__), __VA_ARGS__)) void sum(int numargs, ...); int main(int argc, char *argv[]...
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How to implement a rule engine?

... all operators before compiling the rules: var nameMap = new Dictionary<string, string> { { "greater_than", "GreaterThan" }, { "hasAtLeastOne", "Contains" } }; The code uses the type User for simplicity. You can replace User with a generic type T to have a generic Rule compiler for an...
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Regular expression to extract text between square brackets

Simple regex question. I have a string on the following format: 14 Answers 14 ...